Display screen or a portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing the new design; and,

FIG. 2 is an enlarged front view thereof.

The dot-dash broken lines shown in the drawings represent boundaries of the claimed design. The dash-dash broken lines shown in the drawings represent a display screen or portion thereof. The broken lines form no part of the claimed design. The portions of the graphical user interface that are shown with higher opacity represent portions of the display screen or portion thereof with graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or a portion thereof with graphical user interface, as shown and described. 